Progressive Suspension 412 Series Shocks For Harley Models

Upgrade your Harley-Davidson's suspension with the Progressive Suspension 412 Series shocks. These shocks offer a cost-effective improvement in performance and ride quality, providing a noticeable difference on the road. Designed for durability and ease of use, the 412 Series is an excellent choice for riders seeking enhanced comfort and control.

Description

The Progressive Suspension 412 Series shocks are engineered to provide a superior riding experience on Harley-Davidson models. Featuring a simple yet robust design, these shocks offer improved handling and stability. The five-position cam-style spring load preload adjuster allows you to fine-tune your suspension to match your riding style and load. Available in multiple styles, including full show-chrome or black covers with either chrome or black springs and end caps, these shocks let you customize the look of your bike. Built with a gas-charged damping method and a progressive spring rate ranging from 210 lb/in to 250 lb/in (3.75 kg/mm - 4.50 kg/mm), the 412 Series delivers consistent performance and enhanced comfort. With an extended length of 12.50" (318.00 mm), these coilover monotube shocks are sold in pairs and designed for rear mounting position.

Features & highlights

• Enhance your Harley's suspension performance with these durable and reliable shocks.
• Easily adjust your ride with the five-position cam-style spring load preload adjuster.
• Customize your bike's look with multiple style options, including chrome or black finishes.
• Experience consistent performance and enhanced comfort with the gas-charged damping system.
• Enjoy improved handling and stability for a smoother, more controlled ride.
• Made in the USA, ensuring high-quality craftsmanship and materials.

Technical specifications

• Brand: Progressive Suspension
• Product Name: Shock Absorber
• Vendor Part Number: 412-4038C
• Type: Coilover Monotube
• Mounting Position: Rear
• Damping Method: Gas Charged
• Adjustment Style: Automatic
• Spring Type: Single Progressive Rate
• Progressive Spring Rate: 3.75 kg/mm - 4.50 kg/mm (210 lb/in - 250 lb/in)
• Extended Length: 318.00 mm (12.50")
• Material: Steel
• Color/Finish: Chrome
• Duty: Standard
• Reservoir Location: Internal
• Units: Pair

Important to know

When installing shocks on '86-'15 XL models, it may be necessary to modify or space the chain/belt guard to allow proper clearance. A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering. A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering. Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturer's maximum load rating over 50% of the time. Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.

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